code: def test_juliantime():
      assert pms.juliandate(t0) == approx(2.456753833333e6)
  
file_path: pymap3d/src/pymap3d/tests/test_time.py
imports: from datetime import datetime
  import pymap3d.sidereal
  import pytest
  from pymap3d.timeconv import str2dt
  from pytest import approx
label_desc: Use image node_id 1 for calling a global function with example usage: test_juliantime() without return types